39811875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 70290000

約数和(自身を除く): 30478125

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1249, 1275, 1875, 2125, 3747, 6245, 6375, 10625, 18735, 21233, 31225, 31875, 63699, 93675, 106165, 156125, 318495, 468375, 530825, 780625, 1592475, 2341875, 2654125, 7962375, 13270625, 39811875]

約数ペア:

[(1, 39811875), (3, 13270625), (5, 7962375), (15, 2654125), (17, 2341875), (25, 1592475), (51, 780625), (75, 530825), (85, 468375), (125, 318495), (255, 156125), (375, 106165), (425, 93675), (625, 63699), (1249, 31875), (1275, 31225), (1875, 21233), (2125, 18735), (3747, 10625), (6245, 6375)]